53225713440 has 192 divisors, whose sum is σ = 197248504320. Its totient is φ = 13358592000.

The previous prime is 53225713433. The next prime is 53225713451. The reversal of 53225713440 is 4431752235.

53225713440 is a `hidden beast` number, since 53 + 2 + 2 + 571 + 34 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53225713395 and 53225713404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288936 + ... + 435815.

It is an arithmetic number, because the mean of its divisors is an integer number (1027335960).

Almost surely, 2^53225713440 is an apocalyptic number.

It is an amenable number.

53225713440 is an abundant number, since it is smaller than the sum of its proper divisors (144022790880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53225713440 is a wasteful number, since it uses less digits than its factorization.

53225713440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724792 (or 724778 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 53225713440 in words is "fifty-three billion, two hundred twenty-five million, seven hundred thirteen thousand, four hundred forty".